Listing management (#223)

* upgrading dependencies, fixing image placeholder

* improving processing times label and hide when screen width is too low

* aligning run now button

* renaming settings -> general settings

* smaller security and memory improvements

* improving footer

* preparing listing management

* improve filtering for listings

* preparing new settings page

* preparing new settings page

* storing settings in db

* next release version

ui/src/views/listings/Listings.jsx

@@ -3,9 +3,5 @@ import React from 'react';
 import ListingsTable from '../../components/table/listings/ListingsTable.jsx';
 
 export default function Listings() {
-  return (
-    <div>
-      <ListingsTable />
-    </div>
-  );
+  return <ListingsTable />;
 }